Home / 25,857.05-38,725.81-15,445.85

Finding the Fourth Proportional to 25,857.05, 38,725.81 and 15,445.85

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Solution

The fourth proportional to 25,857.05, 38,725.81 and 15,445.85 is: 23,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.05 : 38,725.81 = 15,445.85 : x
  2. Step 2: Convert to fraction form
    25,857.05/38,725.81 = 15,445.85/x
  3. Step 3: Cross multiply
    25,857.05x = 38,725.81 × 15,445.85
  4. Step 4: Simplify right side
    25,857.05x = 598,152,820.14
  5. Step 5: Solve for x
    x = 598,152,820.14/25,857.05
  6. Step 6: Final answer
    x = 23,133.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.